Only load needed part of configuration (#2109)

cmd/headscale/cli/serve.go

@@ -0,0 +1,29 @@
+package cli
+
+import (
+	"github.com/rs/zerolog/log"
+	"github.com/spf13/cobra"
+)
+
+func init() {
+	rootCmd.AddCommand(serveCmd)
+}
+
+var serveCmd = &cobra.Command{
+	Use:   "serve",
+	Short: "Launches the headscale server",
+	Args: func(cmd *cobra.Command, args []string) error {
+		return nil
+	},
+	Run: func(cmd *cobra.Command, args []string) {
+		app, err := newHeadscaleServerWithConfig()
+		if err != nil {
+			log.Fatal().Caller().Err(err).Msg("Error initializing")
+		}
+
+		err = app.Serve()
+		if err != nil {
+			log.Fatal().Caller().Err(err).Msg("Error starting server")
+		}
+	},
+}